Tocopherols

You are here: Home » Products » Cosmetics & Personal Care » Tocopherols

ITEM	STANDARD	RESULTS
Appearance	Clear, Slightly greenish-yellow, viscous, oily liquid	Conform
Assay (%)	98%-102%	98.8%
Solubility	Practically insoluble in water, freely soluble in absolute ethanol, in acdetone, in chlormform, in ether and in fixed oils, soluble in ethanol (98%)	Conform
Identification	A: Colour test; B: Optical rotataion test; C: The retention time of the sample preparation is the same as that of the standard preparation	Meets A, B, C tests
Acidity	Max 1.0ml of 0.1N NaOH	0.5ml
Light absorption	A (1% 1 cm 254nm) 7.0-9.0 A (1% 1cm 284nm) 42.0-45.0	7.5 42.6
Free tocopherol	≤1.0%	0.14%
Heavy metals	≤20ppm	＜10ppm
Sulphated ash	≤0.1%	0.03%
Total plate count	≤1000cfu/g	300cfu/g
Yeast & Mold	≤100cfu/g	30cfu/g
E. coli	Negative	Conform
Salmonella	Negative	Conform
Coliforms	Negative	Conform
Orgainc volatile impurites	Conform	Conform

ITEM	STANDARD	RESULTS
Appearance	Clear, Slightly greenish-yellow, viscous, oily liquid	Conform
Assay (%)	98%-102%	98.8%
Solubility	Practically insoluble in water, freely soluble in absolute ethanol, in acdetone, in chlormform, in ether and in fixed oils, soluble in ethanol (98%)	Conform
Identification	A: Colour test; B: Optical rotataion test; C: The retention time of the sample preparation is the same as that of the standard preparation	Meets A, B, C tests
Acidity	Max 1.0ml of 0.1N NaOH	0.5ml
Light absorption	A (1% 1 cm 254nm) 7.0-9.0 A (1% 1cm 284nm) 42.0-45.0	7.5 42.6
Free tocopherol	≤1.0%	0.14%
Heavy metals	≤20ppm	＜10ppm
Sulphated ash	≤0.1%	0.03%
Total plate count	≤1000cfu/g	300cfu/g
Yeast & Mold	≤100cfu/g	30cfu/g
E. coli	Negative	Conform
Salmonella	Negative	Conform
Coliforms	Negative	Conform
Orgainc volatile impurites	Conform	Conform

Product Category